Home / 159,553.02-220,180.46-87,931.50

Finding the Fourth Proportional to 159,553.02, 220,180.46 and 87,931.50

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Solution

The fourth proportional to 159,553.02, 220,180.46 and 87,931.50 is: 121,343.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,553.02 : 220,180.46 = 87,931.50 : x
  2. Step 2: Convert to fraction form
    159,553.02/220,180.46 = 87,931.50/x
  3. Step 3: Cross multiply
    159,553.02x = 220,180.46 × 87,931.50
  4. Step 4: Simplify right side
    159,553.02x = 19,360,798,118.49
  5. Step 5: Solve for x
    x = 19,360,798,118.49/159,553.02
  6. Step 6: Final answer
    x = 121,343.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.